From b1b61dc4cee43920ef2b08d5ac94ddf08119c507 Mon Sep 17 00:00:00 2001
From: Ken Jin <kenjin@python.org>
Date: Thu, 13 Jun 2024 17:31:21 +0800
Subject: gh-117657: Fix some simple races in instrumentation.c (GH-120118)

* stop the world when setting local events
---
 Python/instrumentation.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Python/instrumentation.c b/Python/instrumentation.c
index a5211ee..ae790a1 100644
--- a/Python/instrumentation.c
+++ b/Python/instrumentation.c
@@ -1977,7 +1977,7 @@ _PyMonitoring_SetLocalEvents(PyCodeObject *code, int tool_id, _PyMonitoringEvent
     }
 
     int res;
-    LOCK_CODE(code);
+    _PyEval_StopTheWorld(interp);
     if (allocate_instrumentation_data(code)) {
         res = -1;
         goto done;
@@ -1994,7 +1994,7 @@ _PyMonitoring_SetLocalEvents(PyCodeObject *code, int tool_id, _PyMonitoringEvent
     res = force_instrument_lock_held(code, interp);
 
 done:
-    UNLOCK_CODE();
+    _PyEval_StartTheWorld(interp);
     return res;
 }
 
-- 
cgit v0.12